template.yaml

#https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/configure-cgroup-driver/
#https://kubernetes.io/docs/reference/config-api/kubeadm-config.v1beta3/
- name: Configuring the kubelet cgroup driver
  template:
     src: kubeadm-config.yaml
     dest: /home/{{ k8s_master_admin_user }}/kubeadm-config.yaml 

#https://docs.projectcalico.org/v3.6/getting-started/kubernetes/
#kubeadm init --config /home/vagrant/kubeadm-config.yaml
# --cri-socket /run/containerd/containerd.sock
#--apiserver-advertise-address=192.168.50.11 --apiserver-cert-extra-sans=192.168.50.11 --node-name=k8s-m-1 --pod-network-cidr=192.168.112.0/20 
- name: Configure kubectl
  command: kubeadm init --config /home/{{ k8s_master_admin_user }}/kubeadm-config.yaml
  # --apiserver-advertise-address="{{ k8s_master_apiserver_advertise_address }}" --apiserver-cert-extra-sans="{{ k8s_master_apiserver_advertise_address }}" --node-name="{{ k8s_master_node_name }}" --pod-network-cidr="{{ k8s_master_pod_network_cidr }}"
  args: 
    creates: /etc/kubernetes/manifests/kube-apiserver.yaml

- name: Create .kube dir for {{ k8s_master_admin_user }} user
  file:
      path: "/home/{{ k8s_master_admin_user }}/.kube"
      state: directory

- name: Copy kube config to {{ k8s_master_admin_user }} home .kube dir 
  copy:
    src: /etc/kubernetes/admin.conf
    dest:  /home/{{ k8s_master_admin_user }}/.kube/config
    remote_src: yes
    owner: "{{ k8s_master_admin_user }}"
    group: "{{ k8s_master_admin_group }}"
    mode: 0660

#Rewrite calico replacing defaults
#https://docs.projectcalico.org/getting-started/kubernetes/self-managed-onprem/onpremises
- name: Rewrite calico.yaml
  template:
     src: calico/3.15/calico.yaml
     dest: /home/{{ k8s_master_admin_user }}/calico.yaml 
    
- name: Install Calico (using Kubernetes API datastore)
  become: false
  command: kubectl apply -f /home/{{ k8s_master_admin_user }}/calico.yaml 
  
# Step 2.6 from https://kubernetes.io/blog/2019/03/15/kubernetes-setup-using-ansible-and-vagrant/
- name: Generate join command
  command: kubeadm token create --print-join-command
  register: join_command

- name: Copy join command for {{ k8s_cluster_name }} cluster to local file
  become: false
  local_action: copy content="{{ join_command.stdout_lines[0] }}" dest="./{{ k8s_cluster_name }}-join-command"